20161658884

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1605739}}^1$

素因数の和:1605859

約数の個数: 24

約数和(自身を含む): 36598026080

約数和(自身を除く): 16436367196

約数列:

[1, 2, 4, 43, 73, 86, 146, 172, 292, 3139, 6278, 12556, 1605739, 3211478, 6422956, 69046777, 117218947, 138093554, 234437894, 276187108, 468875788, 5040414721, 10080829442, 20161658884]

約数ペア:

[(1, 20161658884), (2, 10080829442), (4, 5040414721), (43, 468875788), (73, 276187108), (86, 234437894), (146, 138093554), (172, 117218947), (292, 69046777), (3139, 6422956), (6278, 3211478), (12556, 1605739)]